petahertz

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See also: pétahertz and peta-hertz

English[edit]

Etymology[edit]

peta- +‎ hertz.

Noun[edit]

petahertz (plural petahertz)

  1. (metrology) An SI unit of frequency equal to 1015 hertz.

Derived terms[edit]

  • PHz (abbreviation)
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